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County tax profile · 2026 · Census ACS + IRS data

Property Tax & Income in Sumner County, Kansas

Sumner County has an effective property tax rate of 1.58%. On the median home value of $135,100, that's roughly $2,130 per year. Median household income is $63,951.

Effective Property Tax Rate1
1.58%
median tax $2,130 ÷ median home $135,100
Median Home Value1
$135,100
owner-occupied
Median Household Income1
$63,951
per-capita $34,307
Est. Annual Tax on Median Home1
$2,130
at 1.58% effective rate

What you'll pay, at a glance

Property taxes are the largest local tax most homeowners pay. The effective rate measures the real tax bill as a share of home value — a more useful number than the nominal “mill rate,” because assessment practices vary county to county.

MetricSumner CountyKansas (state context)
Effective property tax rate11.58%1.51%
Median home value1$135,100—
State income tax3top rate 5.58%top rate 5.58%
State sales tax38.71% combined8.71% combined

How this is calculated

The effective property tax rate is the median real-estate tax bill divided by the median home value — both for owner-occupied homes, from the U.S. Census Bureau's American Community Survey (ACS 5-year estimates)1. Median income is also from the ACS1. Federal and state income-tax figures use IRS2 and Tax Foundation3 data.

About Sumner County, KS

Sumner County's effective property tax rate of 1.577% sits above Kansas's statewide median of 1.506%, placing it 44th among the state's 105 counties. The gap with the state figure is narrow, but the comparison with the national median of 0.794% is far starker — homeowners here pay roughly double the national rate on a percentage basis. A median home value of $135,100 produces a median annual tax bill of $2,130, a figure shaped as much by the county's comparatively affordable housing stock as by its rate. With median household income at $63,951 and per-capita income at $34,307, that bill absorbs a meaningful share of earnings. Communities such as Belle Plaine, Caldwell, and Mayfield reflect the county's small-town character. The ranking signals a tax environment that leans heavier than most of the country, though it stays close to Kansas norms.

Frequently asked questions

What is the property tax rate in Sumner County, KS?
The effective rate is 1.58% — meaning the median tax bill equals about 1.58% of the median home value.
How much are property taxes on a median home?
On the median home ($135,100), the estimated annual bill is about $2,130.
Is Sumner County's rate high or low?
Compare it to the state median of 1.51% and the national average near 1.1%.
How does the effective rate differ from my mill rate?
A mill rate is the nominal levy per $1,000 of assessed value. The effective rate reflects what you actually pay after exemptions and assessments — it's the median tax bill as a share of median home value, so it better predicts your real cost.
Will a reassessment raise my tax bill?
Not necessarily. If your home's assessed value rises, your bill can go up, but only if the mill rate and exemptions stay flat. Contact the Sumner County assessor's office to review your current assessment.
Can I appeal my property tax assessment?
Yes. Most counties allow an appeal when you believe the assessed value exceeds the market value. File with the Sumner County assessor within the local deadline, typically with comparable sales as evidence.
Sources
[1] U.S. Census Bureau — ACS 5-Year (2023) — Median home value (B25077), median real-estate taxes (B25103), median household income (B19013), per-capita income (B19301).
[2] IRS — Statistics of Income — County income, AGI, and real-estate taxes paid.
[3] Tax Foundation — State income, sales, corporate, and estate/inheritance tax rates.